WIR E & CABLE OEM P V D F E X T R U S I O N • Improve extrusion line speed • Minimize defects, optimize coefficient of friction (CoF), control extrusion pressure, and eliminate die drool • Prevent melt fracture (sharkskin) • Reduce energy use in processing to achieve cost savings • Delivered a polyvinylidene fluoride (PVDF) solution that improved extrusion production times • Provided application specialists with deep knowledge of PVDF processing windows (melt and degradation temperatures) to help boost overall processing performance • Enhanced surface aesthetics by reducing friction and improving flow stability • Gained a reduction in energy use and offered added savings for other PVDF applications such as wire jacketing or tube and pipe extrusion Colorant Chromatics PVDF Processing Aid KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/polymer-additives/processing-enhancement-additives/colorant-chromatics-pvdf-processing-aids Slide 1: Wire & cable oem

F L E X IB L E PA C K AG I N G C O M PA N Y P E T F O O D P A C K A G I N G • Incorporate an antistatic additive into pet food packaging to dissipate static in hot and dry environments • Improve efficiency within a robotic packaging process • Support extended packaging shelf life • Leveraged technical expertise in packaging additives to identify a suitable formulation for static dissipation in harsh environments • Provided a customized and effective antistatic additive solution that complemented the automated packaging process while providing added durability and protection to extend shelf life Cesa Stat Antistatic Additives KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/polymer-additives/processing-enhancement-additives/cesa-stat-antistatic-additives Slide 1: Flexible packaging company

AUTO DATA CABLE MANUFACTURER C O A X I A L S I G N A L C A B L E J A C K E T • Provide good chemical resistance like that of machine oil • Pass 3,000 hours aging test of finish goods • Have low dielectric property - characteristic impedance of transmission line: 100Ω, capacitance in water: around 102.8pf/m • Provided excellent performance with low dielectric constant to make the jacket layer of signal cables have low capacitance loss • Offered a solution by combining physical and chemical foaming products in the foaming layer to reduce the dielectric constant further • Maintained exceptional mechanical properties under high temperatures Maxxam Polyolefin Formulations KEY REQUIREMENTS WHY AVIENT? All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/maxxam-polyolefin-formulations Slide 1: Auto data Cable manufacturer

Attachment 1 1) Attachment 4

X RS 1100-0004 YELLOW 3 BLUE#3

PP RED 3% V2 TL BLACK 3 X ET-19255 UV Nat

STAT-TECH AS-10CF/000 BLACK STAT-TECH ST3200-0010 NH FR BLACK STAT-TECH ST9620-0020 ES RED STAT-TECH NN-40CF/000 NH FRV0 NATURAL Applications Sensor, Camera Sensor, Camera Sensor, Camera Sensor, Camera Defining Features Antistatic Conductive EMI Shielding Flame Retardant EMI Shielding Good Chemical Resistance High Stiffness Filler/ Reinforcement Carbon Fiber, 10% by Wt — Nickel-Coated Carbon Fiber Carbon Fiber, 40% by Wt Surface Resistivity 1.0E+2 to 1.0E+6 1.5E+4 1.0E+2 to 1.0E+4 1.0E+2 to 1.0E+5 Shielding Effectiveness (10GHz, 1/8" thickness) — — 61 dB 70 dB HOW STAT-TECH MATERIAL MAKES THE DIFFERENCE IN AUTOMOTIVE ADAS SENSORS, CAMERAS AND ECUS Protection from static buildup – Stat-Tech material reduces static buildup with surface resistivity between 1.0E+2 ohms and 1.0E+6 ohms, minimizing sparks from damaging nearby electrical components, especially those near fuel storage. Integrated EMI/RFI shielding – Stat-Tech material has integrated EMI/RFI shielding to prevent crosstalk between components, with effectiveness up to 70 dB (10GHz, 1/8" thickness).

Approve the adoption and amendment of Company stock ownership guidelines and annually review compliance with these guidelines. 3 Non-employee Director Compensation With the assistance of management and any outside advisers the Committee deems appropriate (a) review and discuss with management the Company’s disclosures in the CD&A, and, based on this review, make a recommendation as to whether to include it in the Company’s annual report on Form 10-K and proxy statement relating to the Company’s annual meeting of shareholders, and (b) prepare a Compensation Committee Report for inclusion in the Company’s proxy statement or other applicable SEC filings. 4 Board Reports and Annual Evaluation The Committee shall evaluate whether any compensation consultant retained or to be retained by it has any conflict of interest in accordance with Item 407(e)(3)(iv) of Regulation S-K.

ECert (3).pdf ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

Record Retention  Production records are stored for a minimum of 1 year.  ERP records are kept for a minimum of 5 years. https://www.avient.com/company/policies-and-governance/it-systems-use-policy 9 10 Annex 1 - ISO 13485 certification for Mevopur manufacturing sites North America & EMEA. The record retention period for these records is three (3) years.